EP 3890090 A1 20211006 - ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
Title (en)
ELECTROLYTE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY INCLUDING THE SAME
Title (de)
ELEKTROLYT FÜR LITHIUMSEKUNDÄRBATTERIE UND LITHIUMSEKUNDÄRBATTERIE DAMIT
Title (fr)
ÉLECTROLYTE POUR BATTERIE SECONDAIRE AU LITHIUM ET BATTERIE SECONDAIRE AU LITHIUM L'INCLUANT
Publication
Application
Priority
KR 20200040945 A 20200403
Abstract (en)
An electrolyte for a lithium secondary battery according to exemplary embodiments of the present inventing includes an organic solvent, a lithium salt, a first additive represented by a predetermined chemical formula, and a second additive represented by a predetermined chemical formula. A protective film is formed by the additives to suppress an expansion of a lithium secondary battery and improve storage property at high temperature.
IPC 8 full level
H01M 10/0525 (2010.01); C07F 9/06 (2006.01); H01M 10/0567 (2010.01); H01M 10/0568 (2010.01); H01M 10/0569 (2010.01)
CPC (source: CN EP KR US)
C07C 309/67 (2013.01 - US); C07F 9/062 (2013.01 - US); H01M 10/052 (2013.01 - CN KR); H01M 10/0525 (2013.01 - EP US); H01M 10/0567 (2013.01 - CN EP KR US); H01M 10/0568 (2013.01 - EP KR US); H01M 10/0569 (2013.01 - EP US); H01M 10/4235 (2013.01 - CN); C07F 9/146 (2013.01 - EP); H01M 10/0569 (2013.01 - KR); H01M 2300/0025 (2013.01 - CN US); H01M 2300/0037 (2013.01 - KR); Y02E 60/10 (2013.01 - EP)
Citation (applicant)
KR 20120101499 A 20120913
Citation (search report)
- [A] WO 2015153716 A1 20151008 - 3M INNOVATIVE PROPERTIES CO [US]
- [AP] KR 20200104650 A 20200904 - DONGWOO FINE CHEM CO LTD [KR]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 3890090 A1 20211006; EP 3890090 B1 20230712; CN 113497273 A 20211012; HU E064528 T2 20240328; KR 20210123606 A 20211014; US 11664535 B2 20230530; US 2021313622 A1 20211007; US 2023253625 A1 20230810
DOCDB simple family (application)
EP 21166483 A 20210331; CN 202110340177 A 20210330; HU E21166483 A 20210331; KR 20200040945 A 20200403; US 202117220114 A 20210401; US 202318135365 A 20230417